Home / 89,936.38-134,791.15-45,574.30

Finding the Fourth Proportional to 89,936.38, 134,791.15 and 45,574.30

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Solution

The fourth proportional to 89,936.38, 134,791.15 and 45,574.30 is: 68,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.38 : 134,791.15 = 45,574.30 : x
  2. Step 2: Convert to fraction form
    89,936.38/134,791.15 = 45,574.30/x
  3. Step 3: Cross multiply
    89,936.38x = 134,791.15 × 45,574.30
  4. Step 4: Simplify right side
    89,936.38x = 6,143,012,307.45
  5. Step 5: Solve for x
    x = 6,143,012,307.45/89,936.38
  6. Step 6: Final answer
    x = 68,303.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.